Ground inserted helical staff support



FIG. 1 is a front elevational view of a ground inserted helical staff support showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof; and,

FIG. 3 is a side elevational view in position of use, the broken line showing of an umbrella and ground are for illustrative purposes only. 

The ornamental design for a ground inserted helical shaft support, as shown and described. 